--- a/sets/slides.tex	Mon Nov 08 02:12:28 2010 +0530
+++ b/sets/slides.tex	Thu Nov 11 02:28:55 2010 +0530
@@ -1,4 +1,4 @@
-% Created 2010-10-10 Sun 23:53
+% Created 2010-11-09 Tue 17:14
 \documentclass[presentation]{beamer}
 \usepackage[latin1]{inputenc}
 \usepackage[T1]{fontenc}
@@ -67,7 +67,8 @@
 for mark in marks_set:
     marks.remove(mark)
 
-# we are now left with only duplicates in the list marks
+# we are now left with only duplicates
+# in the list marks
 duplicates = set(marks)
 \end{lstlisting}
 \end{frame}